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public health

(Encyclopedia) public health, field of medicine and hygiene dealing with the prevention of disease and the promotion of health by government agencies. In the United States, public health authorities…

glucose

(Encyclopedia) glucose,&sp;dextrose, or grape sugar, monosaccharide sugar with the empirical formula C6H12O6 . This carbohydrate occurs in the sap of most plants and in the juice of grapes and…

veterinary medicine

(Encyclopedia) veterinary medicine, diagnosis and treatment of diseases of animals. An early interest in animal diseases is found in ancient Greek writings on medicine. Veterinary medicine began to…

calcium hydroxide

(Encyclopedia) calcium hydroxide, Ca(OH)2, colorless crystal or white powder. It is prepared by reacting calcium oxide (lime) with water, a process called slaking, and is also known as hydrated lime…

methionine

(Encyclopedia) CE5 methioninemethioninemĕthīˈənēn [key], organic compound, one of the 20 amino acids commonly found in animal proteins. Only the L-stereoisomer appears in mammalian protein. It is…

progesterone

(Encyclopedia) progesteroneprogesteroneprōjĕsˈtərōnˌ [key], female sex hormone that induces secretory changes in the lining of the uterus essential for successful implantation of a fertilized egg. A…

proline

(Encyclopedia) CE5 prolineprolineprōˈlēn [key], organic compound, one of the 20 amino acids commonly found in animal proteins. Only the l-stereoisomer appears in mammalian protein. It is not…

porpoise

(Encyclopedia) porpoise, small whale of the family Phocaenidae, allied to the dolphin. Porpoises, like other whales, are mammals; they are warm-blooded, breathe air, and give birth to live young,…

bread

(Encyclopedia) bread, food made from grains that have been ground into flour or meal, moistened and kneaded into a dough, and then baked. Many types of bread are leavened, usually with yeast, which…

food preservation

(Encyclopedia) food preservation, methods of preparing food so that it can be stored for future use. Because most foods remain edible for only a brief period of time, people since the earliest ages…